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Finding the Fourth Proportional to 118,506.38, 177,759.56 and 35,400.38

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Solution

The fourth proportional to 118,506.38, 177,759.56 and 35,400.38 is: 53,100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,506.38 : 177,759.56 = 35,400.38 : x
  2. Step 2: Convert to fraction form
    118,506.38/177,759.56 = 35,400.38/x
  3. Step 3: Cross multiply
    118,506.38x = 177,759.56 × 35,400.38
  4. Step 4: Simplify right side
    118,506.38x = 6,292,755,172.34
  5. Step 5: Solve for x
    x = 6,292,755,172.34/118,506.38
  6. Step 6: Final answer
    x = 53,100.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.